Re: Yup, they were right.

Jimmy, thanks for the confirmation. Next Monday we try to figure out where the whine-howl is coming from. Odd that it is most pronounced at 1800-2200 RPM in high gear , with just very slight acceleration. Can't rule out that it is not in the A 833 tranny. ............................MO

On Tuesday, July 11, 2017 at 7:26:27 AM UTC-5, Jimmy Peavy wrote:

No crush sleeve on a 742 unit.

On 7/6/17, MO <mic...@xxxxxxxxxxxxxxx> wrote:
> More woes. The new yoke was a very tight fit and I had a hard time getting
>
> it installed. Got in a hurry and used a socket and hammer to pound it on.
> I should know better than that , but it was at night and no other way to
> put it on then. SOOO, now I have a gear or bearing whine/growl comeing
> from the rear at 1800-2200 RPM in high gear under slight acceleration.
> ....Does a 742 differential have a crush sleeve on the pinion ?
> Also.. This differential was completly re-built with new ring and pinion
>
> , and the clutch type sure grip overhauled. Bought on e bay from a vendor.
>
> The sure grip worked well with old hard street tires, but after putting on
>
> the sticky Nittos, it just lays a little bit of rubber on the right tire
> track. I am using regular diff gear oil with the Mopar additive for sure
> grip. I would guess the clutch disc in the S.G. is slipping to much? Any
> idea's or solutions? ......................MO
>
> On Tuesday, June 13, 2017 at 1:14:56 AM UTC-5, MO wrote:
>>
>> It is a broken rear yoke, and of course ruined a U joint. Put a ding in
>> the driveshaft, but I think it will be OK. The driveshaft was set up for
>> 7290 U joints, but the diff .yoke is for a 7260 using a combo U joint. I
>>
>> will get a 7290 yoke that uses the U bolts instead of the cap straps.
>> Crunch time as the local car show is Saturday.
>> ....................................MO
>>
>> On Monday, June 12, 2017 at 1:08:07 AM UTC-5, MO wrote:
>>>
>>> New Nitto drag radials are mounted . First try out of a medium launch
>>> on new heavy duty springs resulted in what I think was the stock snubber
>>>
>>> whacking the floor and a big fuel bog. 4 speed tranny and sure- lock I
>>>
>>> just finished clamping the leaf springs- two on the front segment and
>>> one
>>> on the back segment ( per side). It sure stiiffened up those springs.
>>> They were right-- get some traction tires and the next weak link will
>>> show up. Still have the fuel bog. The driveshaft let loose at I think a
>>> U
>>> joint. Stuck out on a highway, getting towards dark , and very little
>>> shoulder. Got the car pulled to a side road and called a tow truck. . He
>>>
>>> was able to park it right in my garage. I was so aggravated , I didn't
>>> want
>>> to even look...afraid to find a broken yoke and a bent driveshaft.(
>>> new)..
>>> I will find out the bad news tomorrow..............................MO
>>>
>>
>
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